That prompted the newspaper to query some artists and art dealers about the development, but maybe the real question was the paper’s headline: “Do the Warhols come in bulk?”

For more info on Costco, click on the slideshow below for a peek into “Costco craze,” with data supplied from a recent CNBC show on the company.

Photo: Spencer Platt / Getty Images

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How does Costco do it? It has 600 stores, $93 billion in annual sales and millions of loyal customers, despite no advertising and charging customers a fee to shop.

How does Costco do it? It has 600 stores, $93 billion in annual sales and millions of loyal customers, despite no advertising and charging customers a fee to shop.

Photo: Spencer Platt / Getty Images

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About 3 million people shop at Costco a day, where the merchandise changes frequently and aisles are purposely unlabelled. (So it feels more like a treasure hunt?)

About 3 million people shop at Costco a day, where the merchandise changes frequently and aisles are purposely unlabelled. (So it feels more like a treasure hunt?)

Photo: Chris Hondros / Getty Images

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On top of looking at the “Costco craze,” CNBC delves into the “Costco effect,” otherwise known as the “routine tendency” to spend more than you had wanted.

On top of looking at the “Costco craze,” CNBC delves into the “Costco effect,” otherwise known as the “routine tendency” to spend more than you had wanted.

Photo: Joe Raedle / Getty Images

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Ready for 'Kirkland Signature' vodka? In June, Costco started selling spirits in Washington state, after voters approved a measure to privatize the booze business. Costco poured a record-setting $22 million into the initiative. Photo: Costco. less

Ready for 'Kirkland Signature' vodka? In June, Costco started selling spirits in Washington state, after voters approved a measure to privatize the booze business. Costco poured a record-setting $22 million ... more

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Costco is a big player in the wine industry, selling more than a $1 billion a year in wine, more than any other retailer in the world. Wines include global labels and Costco’s “Kirkland Signature” brand.

Costco is a big player in the wine industry, selling more than a $1 billion a year in wine, more than any other retailer in the world. Wines include global labels and Costco’s “Kirkland Signature” brand.

Photo: GABRIEL BOUYS / AFP/Getty Images

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Costco’s No.1 selling product is, you guess it, toilet paper. The company sells more than a billion rolls a year. That's $4 billion in toilet paper and enough rolls to wrap around the earth 1,200 times, says CNBC. less

Costco’s No.1 selling product is, you guess it, toilet paper. The company sells more than a billion rolls a year. That's $4 billion in toilet paper and enough rolls to wrap around the earth 1,200 times, says ... more

Photo: Chris Hondros / Getty Images

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Ever wonder how Costco decides what to sell? CNBC goes inside Costco’s lab to film workers testing stuff like chocolate and toilet paper. (Don’t worry, no one’s in the bathroom). “Feel it, and crunch it like this,” one worker says of toilet paper. “Can you feel the difference?” less

Ever wonder how Costco decides what to sell? CNBC goes inside Costco’s lab to film workers testing stuff like chocolate and toilet paper. (Don’t worry, no one’s in the bathroom). “Feel it, and crunch ... more

Photo: Chris Hondros / Getty Images

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Costco sells $4 billion in produce a year, and ...

Costco sells $4 billion in produce a year, and ...

Photo: GABRIEL BOUYS / AFP/Getty Images

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55 million rotisserie chickens and ...

55 million rotisserie chickens and ...

Photo: Tim Boyle / Getty Images

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2.6 billion gallons of gas and …

2.6 billion gallons of gas and …

Photo: Tim Boyle / Getty Images

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nearly $2 billion in TVs and …

nearly $2 billion in TVs and …

Photo: Justin Sullivan / Getty Images

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... about $200 million in toys. CNBC follows Costco’s toy-buying team as it narrows down more than a thousand toys to just a handful to sell. Sounds kinda stressful.

... about $200 million in toys. CNBC follows Costco’s toy-buying team as it narrows down more than a thousand toys to just a handful to sell. Sounds kinda stressful.

Photo: Tim Boyle / Getty Images

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Despite never marking up products by more than 15 percent, Costco has become one of the country’s top three retailers and the world’s largest membership warehouse chain.

Despite never marking up products by more than 15 percent, Costco has become one of the country’s top three retailers and the world’s largest membership warehouse chain.